Quote:
Originally Posted by rsisk
What is the best way to test the pressure relief valve is calibrated correctly for 125psi?
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Hook up the pneumatic system with just the compressor hooked to the pressure relief valve, a dump valve (manual) and a pressure gage.
power the compressor from a battery (use a fused line for safety). Bring the pressure to ~130 PSI. The relief valve should release pressure when it hits ~125 PSI.
If it doesn't then adjust the valve to release and then retry (poppit valves are notorious for not being very stable nor re-seating very well).